While Ilwaco is a year-round destination, the best time to visit is typically from late spring to early autumn, specifically May through September.This period offers the most favourable weather conditions, with warmer temperatures and less rainfall, making it ideal for outdoor activities like fishing, hiking, and exploring the coastline. The summer months, July and August, are particularly popular due to the warmest weather and a full calendar of local events.For those interested in fishing, particularly salmon and tuna, the peak season usually runs from late June through September, when charter boats are in full operation. Wildlife enthusiasts will also find this a good time for birdwatching and spotting marine life.If you prefer a quieter experience with fewer crowds and potentially lower prices, visiting in May, early June, or September can be excellent.